How can I merge multiple cells in one row?

Question

Vilém Frynta 2022-4-30

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1708875-how-can-i-merge-multiple-cells-in-one-row

评论： Star Strider 2022-4-30

I have 2 cells. I need to put them both in a first row. First cell will be first, and the second cell will repeat n times after the first one, in first row.

For better imagination:

cell_1 = {'date', 'year', 'place'}
cell_2 = {'name', 'age', 'time'}

And the final result should be one-row cell with cell_1 and multiple cell_2 following after.

Like this:

firstrow = {'date', 'year', 'place','1_name', '1_age', '1_time','2_name', '2_age', '2_time','3_name', '3_age', '3_time'}

I've tried this already with for/while loops to go step by step and put all the cell content in the table, however it isn't perect and it keep skipping last cells. And, I was unsuccesful with using things like "cell_1{end:end+3} = cell_2{:}".

Thanks in advance.

edit: better choice of words

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Answer 1

Star Strider 2022-4-30

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1708875-how-can-i-merge-multiple-cells-in-one-row#answer_954475

在 MATLAB Online 中打开

Try this —

cell_1 = {'date', 'year', 'place'};
cell_2 = {'name', 'age', 'time'};
firstpass = cellfun(@(x)sprintf('%%d_%s',x),cell_2, 'Unif',0);
for k1 = 1:numel(firstpass)
    for k2 = 1:3
        sp{k1,k2} = sprintf(firstpass{k1},k2);
    end
end
secondpass = reshape(sp, 1, []);
firstrow = cat(2, cell_1, secondpass)
firstrow = 1×12 cell array
    {'date'}    {'year'}    {'place'}    {'1_name'}    {'1_age'}    {'1_time'}    {'2_name'}    {'2_age'}    {'2_time'}    {'3_name'}    {'3_age'}    {'3_time'}